Base | Representation |
---|---|
bin | 100110110011101110… |
… | …0101010110000010001 |
3 | 21222010002210221222122 |
4 | 1031213130222300101 |
5 | 2331140011301100 |
6 | 102141424144025 |
7 | 6010145601326 |
oct | 1154734526021 |
9 | 258102727878 |
10 | 83339947025 |
11 | 32387255785 |
12 | 1419a468015 |
13 | 7b2209282a |
14 | 4068592b4d |
15 | 227b812985 |
hex | 136772ac11 |
83339947025 has 48 divisors (see below), whose sum is σ = 111407244480. Its totient is φ = 61613260800.
The previous prime is 83339946971. The next prime is 83339947027. The reversal of 83339947025 is 52074993338.
It is not a de Polignac number, because 83339947025 - 212 = 83339942929 is a prime.
It is not an unprimeable number, because it can be changed into a prime (83339947027) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30514910 + ... + 30517640.
It is an arithmetic number, because the mean of its divisors is an integer number (2320984260).
Almost surely, 283339947025 is an apocalyptic number.
83339947025 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
83339947025 is a deficient number, since it is larger than the sum of its proper divisors (28067297455).
83339947025 is a wasteful number, since it uses less digits than its factorization.
83339947025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4034 (or 4029 counting only the distinct ones).
The product of its (nonzero) digits is 4898880, while the sum is 53.
The spelling of 83339947025 in words is "eighty-three billion, three hundred thirty-nine million, nine hundred forty-seven thousand, twenty-five".
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